[Materials]
  # Elasticity (compliance) tensor ------
  [./elasticity_tensor]
    type = spider
    lambda = 2.1e5
    mu = 3.3e5
  [../]
  # -------------------------- Elasticity

  # Strain ------------------------------
  [./strain]
    type = ComputeFiniteStrain
    displacements = 'disp_x disp_y disp_z'
  [../]
  # ------------------------------ Strain

  #
  # Your (required) stress definitions go here
  #
[]
